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SoRayPickAction.h
1 #ifndef COIN_SORAYPICKACTION_H
2 #define COIN_SORAYPICKACTION_H
3 
4 /**************************************************************************\
5  *
6  * This file is part of the Coin 3D visualization library.
7  * Copyright (C) by Kongsberg Oil & Gas Technologies.
8  *
9  * This library is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License
11  * ("GPL") version 2 as published by the Free Software Foundation.
12  * See the file LICENSE.GPL at the root directory of this source
13  * distribution for additional information about the GNU GPL.
14  *
15  * For using Coin with software that can not be combined with the GNU
16  * GPL, and for taking advantage of the additional benefits of our
17  * support services, please contact Kongsberg Oil & Gas Technologies
18  * about acquiring a Coin Professional Edition License.
19  *
20  * See http://www.coin3d.org/ for more information.
21  *
22  * Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
23  * http://www.sim.no/ sales@sim.no coin-support@coin3d.org
24  *
25 \**************************************************************************/
26 
27 #include <Inventor/actions/SoPickAction.h>
28 
29 class SbBox3f;
30 class SbLine;
31 class SbMatrix;
32 class SbVec2f;
33 class SbVec2s;
34 class SbVec3f;
35 class SbViewVolume;
36 class SbViewportRegion;
37 class SoPickedPoint;
38 class SoPickedPointList;
39 class SoRayPickActionP;
40 
41 class COIN_DLL_API SoRayPickAction : public SoPickAction {
42  typedef SoPickAction inherited;
43 
44  SO_ACTION_HEADER(SoRayPickAction);
45 
46 public:
47  SoRayPickAction(const SbViewportRegion & viewportregion);
48  virtual ~SoRayPickAction();
49  static void initClass(void);
50 
51  void setPoint(const SbVec2s & viewportPoint);
52  void setNormalizedPoint(const SbVec2f & normpoint);
53  void setRadius(const float radiusinpixels);
54  void setRay(const SbVec3f & start, const SbVec3f & direction,
55  float neardistance = -1.0,
56  float fardistance = -1.0);
57  void setPickAll(const SbBool flag);
58  SbBool isPickAll(void) const;
59  const SoPickedPointList & getPickedPointList(void) const;
60  SoPickedPoint * getPickedPoint(const int index = 0) const;
61 
62 
63  void computeWorldSpaceRay(void);
64  SbBool hasWorldSpaceRay(void) const;
65  void setObjectSpace(void);
66  void setObjectSpace(const SbMatrix & matrix);
67  SbBool intersect(const SbVec3f & v0, const SbVec3f & v1, const SbVec3f & v2,
68  SbVec3f & intersection, SbVec3f & barycentric,
69  SbBool & front) const;
70  SbBool intersect(const SbVec3f & v0, const SbVec3f & v1,
71  SbVec3f & intersection) const;
72  SbBool intersect(const SbVec3f & point) const;
73  SbBool intersect(const SbBox3f & box, const SbBool usefullviewvolume = TRUE);
74  SbBool intersect(const SbBox3f & box, SbVec3f & intersection,
75  const SbBool usefullviewvolume = TRUE);
76  const SbViewVolume & getViewVolume(void);
77  const SbLine & getLine(void);
78  SbBool isBetweenPlanes(const SbVec3f & intersection) const;
79  SoPickedPoint * addIntersection(const SbVec3f & objectspacepoint, SbBool frontpick = TRUE);
80 
81  void reset(void);
82 
83 protected:
84  virtual void beginTraversal(SoNode * node);
85 
86 private:
87  SbPimplPtr<SoRayPickActionP> pimpl;
88 
89  // NOT IMPLEMENTED:
90  SoRayPickAction(const SoRayPickAction & rhs);
91  SoRayPickAction & operator = (const SoRayPickAction & rhs);
92 }; // SoRayPickAction
93 
94 #endif // !COIN_SORAYPICKACTION_H
The SbVec2f class is a 2 dimensional vector with floating point coordinates.This vector class is used...
Definition: SbVec2f.h:39
The SoRayPickAction class does ray intersection with scene graphs.For interaction with the scene grap...
Definition: SoRayPickAction.h:41
The SbBox3f class is an abstraction for an axis aligned 3 dimensional box.This box abstraction class ...
Definition: SbBox3f.h:37
The SoPickAction class is the base class for picking actions.The basis for all interaction features t...
Definition: SoPickAction.h:34
The SoNode class is the base class for nodes used in scene graphs.Coin is a retained mode 3D visualiz...
Definition: SoNode.h:47
The SoPickedPointList class is a container for pointers to SoPickedPoint objects.This list class will...
Definition: SoPickedPointList.h:31
The SoAction class is the base class for all traversal actions.Applying actions is the basic mechanis...
Definition: SoAction.h:68
The SbVec3f class is a 3 dimensional vector with floating point coordinates.This vector class is used...
Definition: SbVec3f.h:40
The SbLine class represents a line in 3D space.SbLine provides a way of specifying a directed line...
Definition: SbLine.h:32
The SbMatrix class is a 4x4 dimensional representation of a matrix.SbMatrix is used by many other cla...
Definition: SbMatrix.h:37
The SbViewVolume class is a viewing volume in 3D space.This class contains the necessary information ...
Definition: SbViewVolume.h:41
The SoPickedPoint class is used for specifying picked points.It holds miscellaneous information about...
Definition: SoPickedPoint.h:39
virtual void beginTraversal(SoNode *node)
Definition: SoPickAction.cpp:124
The SbViewportRegion class is a viewport within a full window.The SbViewportRegion class contains inf...
Definition: SbViewportRegion.h:31
The SbVec2s class is a 2 dimensional vector with short integer coordinates.This vector class is used ...
Definition: SbVec2s.h:41

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